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A087145 Number of distinct disconnected simple symmetric graphs on n nodes. +0
2
0, 1, 1, 2, 1, 3, 1, 4, 2, 4, 1 (list; graph; listen)
OFFSET

1,4

LINKS

Eric Weisstein's World of Mathematics, Symmetric Graph

CROSSREFS

Sequence in context: A002033 A074206 A108466 this_sequence A117172 A029207 A111902

Adjacent sequences: A087142 A087143 A087144 this_sequence A087146 A087147 A087148

KEYWORD

nonn,more

AUTHOR

Eric Weisstein (eric(AT)weisstein.com), Aug 19, 2003

EXTENSIONS

Corrected and extended by David Wasserman (wasserma(AT)spawar.navy.mil), Feb 14 2006

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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